Brummer MCP Server

package ports import ( "fmt" "math/rand" "net" "time" ) // FindAvailablePort finds an available port starting from the given port // If the port is in use, it tries random ports in the range [startPort, startPort+1000] func FindAvailablePort(startPort int) (int, error) { // First try the requested port if isPortAvailable(startPort) { return startPort, nil } // If the requested port is not available, try random ports in a reasonable range rand.Seed(time.Now().UnixNano()) maxAttempts := 50 minPort := startPort maxPort := startPort + 1000 // Ensure we stay within valid port range if maxPort > 65535 { maxPort = 65535 } for attempts := 0; attempts < maxAttempts; attempts++ { // Generate a random port in the range randomPort := minPort + rand.Intn(maxPort-minPort+1) if isPortAvailable(randomPort) { return randomPort, nil } } return 0, fmt.Errorf("unable to find available port after %d attempts in range %d-%d", maxAttempts, minPort, maxPort) } // isPortAvailable checks if a port is available by attempting to listen on it func isPortAvailable(port int) bool { addr := fmt.Sprintf(":%d", port) listener, err := net.Listen("tcp", addr) if err != nil { return false } defer listener.Close() return true } // FindAvailablePortInRange finds an available port in the specified range func FindAvailablePortInRange(minPort, maxPort int) (int, error) { if minPort > maxPort { return 0, fmt.Errorf("minPort (%d) must be <= maxPort (%d)", minPort, maxPort) } rand.Seed(time.Now().UnixNano()) maxAttempts := 50 for attempts := 0; attempts < maxAttempts; attempts++ { // Generate a random port in the range randomPort := minPort + rand.Intn(maxPort-minPort+1) if isPortAvailable(randomPort) { return randomPort, nil } } return 0, fmt.Errorf("unable to find available port after %d attempts in range %d-%d", maxAttempts, minPort, maxPort) }